Henrietta is a city in Ray County, Missouri, United States. The population was 369 at the 2010 census.[6]

Henrietta was platted in 1868, and named after Henrietta Watkins, the wife of a first settler.[7] A variant name was “Henry”.[8] A post office called Henry was established in 1869, and the name was changed to Henrietta in 1908.[9]